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www.opticsinfobase.org/josa/viewmedia.cfm?uri=josa-11-1...
www.opticsinfobase.org/josa/viewmedia.cfm?uri=josa-11-1-79&seq=0
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Anode and separately-heated Cathode.—This article consists of descriptions of three sorts of luminous discharges in hydrogen sustained by thermionic ...
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Cathode ray - Wikipedia, the free encyclopedia
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en.wikipedia.org/wiki/Cathode_ray
Modern vacuum tubes use thermionic emission, in which the cathode is made of a thin wire filament which is heated by a separate electric current passing ...
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SY4307A - Wikipedia, the free encyclopedia
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en.wikipedia.org/wiki/SY4307A
This tube/valve is a pentode with a 'directly heated cathode', meaning that the cathode ... grid, the 'beam plates' and also the separate indirectly heated cathode .
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ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5245474
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Jan 22, 2010 ... The valve which was tested consisted of a separately heated disc cathode, 8 mm diameter and an anode (also 8 mm in diameter) 0.55 mm ...
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www.thegearpage.net/board/archive/index.php/t-220128.ht...
www.thegearpage.net/board/archive/index.php/t-220128.html
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Doesn't the heater heat the cathode, implying that if the cathode is indirectly heated, the heater must be separate form the cathode? And, isn't ...
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www.du.edu/~jcalvert/phys/dischg.htm
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Nov 3, 2002 ... If V is the difference in potential between the anode and cathode, and d is ...... The lamp uses a separately-heated oxide-coated cathode and a ...
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www.electronicstheory.com/html/e101-38.htm
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When a cathode is DIRECTLY heated, as this one is, then it is a heater / filament / cathode. Otherwise, tubes may have separate heaters & cathodes, in which ...
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www.freeinfosociety.com/site.php?postnum=477
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It is not essential that the heating current flow directly through the cathode, just that it is heated. The "filament", or "heater", can be separate electrically from the ...
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www.pearl-hifi.com/06_Lit_Archive/02_PEARL_Arch/Vol_01/...
www.pearl-hifi.com/06_Lit_Archive/02_PEARL_Arch/Vol_01/Sec_1/0005_High-Power_Audio_Amps.pdf
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To fully understand why this requires the use of a rectifier with a separately heated cathode, it is only necessary to draw the equivalent circuit ora power supply.
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